A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND `is_block` = 0 ORDER BY `time` DESC LIMIT 1' at line 4

SELECT `id`, `head_ua`, `link_ua` FROM `blog` WHERE `time` < AND `is_block` = 0 ORDER BY `time` DESC LIMIT 1

Filename: controllers/Blog.php

Line Number: 273